agent-framework

vdotnet-1.9.0 scope: dotnet Maintenance

This release keeps dependencies and maintenance posture current for teams operating this tool.

Published 3h AI Agents & Assistants

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Topics

agent-framework agentic-ai agents ai .net multi-agent

+4 more

orchestration python sdk workflows

Affected surfaces

auth rbac

ReleasePort's take

Light signal

editorial:auto 1h

The .NET Orchestrations API is now stable; the [Experimental] tag has been removed.

Why it matters: Stable orchestrations enable production deployment without experimental caveats, affecting all users of the .NET agent framework.

Summary

AI summary

Updates McpSkillsSource, bedrock, and evals across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Breaking	High	Removes [Experimental] tag from .NET Orchestrations, marking them stable. Removes [Experimental] tag from .NET Orchestrations, marking them stable. Source: llm_adapter@2026-06-04 Confidence: low	—
Feature
Feature	Medium	Adds ILoggerFactory and IServiceProvider to HarnessAgent constructor. Adds ILoggerFactory and IServiceProvider to HarnessAgent constructor. Source: llm_adapter@2026-06-04 Confidence: high	—
Feature	Medium	Adds background agent support to harness agent. Adds background agent support to harness agent. Source: llm_adapter@2026-06-04 Confidence: high	—
Feature	Medium	Adds MCP-based skills discovery (McpSkillsSource). Adds MCP-based skills discovery (McpSkillsSource). Source: llm_adapter@2026-06-04 Confidence: high	—
Feature	Medium	Adds native structured output support via Converse API for Bedrock. Adds native structured output support via Converse API for Bedrock. Source: llm_adapter@2026-06-04 Confidence: high	—
Feature	Medium	Adds Foundry Adaptive Evaluations integration (rubric-generation). Adds Foundry Adaptive Evaluations integration (rubric-generation). Source: llm_adapter@2026-06-04 Confidence: high	—
Feature	Medium	Adds Mistral AI embedding client package. Adds Mistral AI embedding client package. Source: llm_adapter@2026-06-04 Confidence: low	—
Feature	Low	Progressive tool exposure via FunctionInvocationContext. Progressive tool exposure via FunctionInvocationContext. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Promote agent-framework-declarative package to RC. Promote agent-framework-declarative package to RC. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Promote Workflows.Declarative packages to stable versions. Promote Workflows.Declarative packages to stable versions. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Add Hosted-ToolboxMcpSkills sample. Add Hosted-ToolboxMcpSkills sample. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Persist hosted MCP call/results as canonical mcp_call output. Persist hosted MCP call/results as canonical mcp_call output. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Update hosted agents. Update hosted agents. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Reorganize A2A samples and use package A2AExecutor. Reorganize A2A samples and use package A2AExecutor. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Preserve and propagate CreatedAt through workflows. Preserve and propagate CreatedAt through workflows. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Forward Magentic participant replies to manager. Forward Magentic participant replies to manager. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Feature	Low	Set message_id on AgentResponseUpdate for message-bearing paths. Set message_id on AgentResponseUpdate for message-bearing paths. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Dependency
Dependency	Low	Updating dotnet package versions for 1.9 release. Updating dotnet package versions for 1.9 release. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Dependency	Low	Refresh dev dependencies and validate runtime bounds. Refresh dev dependencies and validate runtime bounds. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Dependency	Low	Bump Azure.AI.AgentServer.* packages and align Azure.Core/System.ClientModel. Bump Azure.AI.AgentServer.* packages and align Azure.Core/System.ClientModel. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix
Bugfix	Medium	Fixes OTLP HTTP base-endpoint losing /v1/{signal} auto-append. Fixes OTLP HTTP base-endpoint losing /v1/{signal} auto-append. Source: llm_adapter@2026-06-04 Confidence: high	—
Bugfix	Medium	Fixes FoundryAgent stripping model from PromptAgent requests. Fixes FoundryAgent stripping model from PromptAgent requests. Source: llm_adapter@2026-06-04 Confidence: high	—
Bugfix	Medium	Fixes core observability unsafe serialization of function-call arguments containing dataclass/framework objects. Fixes core observability unsafe serialization of function-call arguments containing dataclass/framework objects. Source: llm_adapter@2026-06-04 Confidence: high	—
Bugfix	Low	Bug fixes for AGUI hosting and workflows. Bug fixes for AGUI hosting and workflows. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix	Low	Skip orphan anthropic thinking signatures. Skip orphan anthropic thinking signatures. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix	Low	Fix missing id on function_call_output in Foundry Hosting. Fix missing id on function_call_output in Foundry Hosting. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix	Low	Coalesce code interpreter history chunks. Coalesce code interpreter history chunks. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix	Low	Fix integration test worker crashes in Azure Functions on Py3.13. Fix integration test worker crashes in Azure Functions on Py3.13. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix	Low	Fix InvokeMcpTool approval path for declarative workflows. Fix InvokeMcpTool approval path for declarative workflows. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Bugfix	Low	Consolidate MCP reliability fixes. Consolidate MCP reliability fixes. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—
Refactor	Low	Quarantine flaky DevUI test. Quarantine flaky DevUI test. Source: granite4.1:30b@2026-06-04-audit Confidence: low	—

Full changelog

Changes:

afa7834e2ec8a93b2224fe7ab184b97fbcaa8c9a Updating dotnet package versions for 1.9 release (#6314)
c6951c21f69af4c9a5d5cbe107b36fca9f648907 Python: Add MCP-based skills discovery (McpSkillsSource) (#6169)
a9824289168c5af4acc5bfc7bd227206eb942fdc .NET: Bug fixes for AGUI hosting and workflows (#6311)
90a3e5de47cf48dfdef25c00c49cf56e0c80df8e .NET: Add ILoggerFactory and IServiceProvider to HarnessAgent constructor (#6273) [ #6103 ]
49a6e433a332f5952cad275998fa954572810c11 Python: progressive tool exposure via FunctionInvocationContext (#6233) [ #3877 ]
6086a743023c7b8a0e8ec8dde92316e42d634c09 Python: Promote agent-framework-declarative package to RC (#6256)
fa8cfb75673eb2f8f3a9870b2d95e1a435ac3dc3 Python: Fix FoundryAgent stripping model from PromptAgent requests (#5526) [ #5525 ]
6de4c24fdda68bb991bf76c017618b89c6197d87 .NET: Promote Workflows.Declarative packages to stable versions (#6254)
a5f355e04a4cc13da8ce8ddc13430d343decfa8d Python: Fix OTLP HTTP base-endpoint losing /v1/{signal} auto-append (#5913)
0cf48923cd6793f9da042c6b8b819f632a65957e .NET: Add Hosted-ToolboxMcpSkills sample (#6175)

See More

cdc4809b8a503ec86d78a90051e5cc5d053ebf21 ci: harden Python test coverage workflow (#5982)
043208241a4f54769cfe499b1b24e0c3ea720fcb Python: Persist hosted MCP call/results as canonical mcp_call output (#6070)
05ebb966cf7555aa3690a9fae11188b83f68daf1 fix: skip orphan anthropic thinking signatures (#5784)
c83a944e85e7615d5c12adc772310e649667f637 Fix open pr count check (#6255)
5d98beddf52dd8e3d3323d2108c9fe3461ab0c04 Python: feat(bedrock): implement native structured output support via Converse API (#6052) [ #5966 ]
e0d0ad16a06b404ef7da38e31b2bcaecf2ac6efe Python: feat(evals): Foundry Adaptive Evals integration (rubric-generation) (#6101)
f36096ce1a0258d62810561df5aeedd22e2448c0 Python: Fix core observability unsafe serialization of function-call arguments containing dataclass/framework objects (#6026) [ #5733 ]
03e14ca18703a822f8d1b209a031d65aa882d9be .NET: Update hosted agents (#6243)
b298113d15cf5c7e8a7299991cea98ef0400dbbf .NET - Fix missing id on function_call_output in Foundry Hosting (#6246)
8091d052d8175e1726a2ef238affa80a381a9b8a Python: refresh dev dependencies and validate runtime bounds (#6238)
52a8045bb670918ef8c1f970dad051092893ceee Python: Add background agent support to harness agent (#6155)
78d175a1e20eb65c2b80517fa1cc911a9272cee3 Python: coalesce code interpreter history chunks (#5801)
b59a854fcdb4b5588615e22bea788572db6da6df Fix integration test worker crashes in Azure Functions on Py3.13 (#4260)
8b0db48d331354867c1066c32e05e822b17b6e45 Add community PR limit workflow (#6229)
5affc9c33392b2636e5a7b860a3d9628f4cd6e1e Python: Reorganize A2A samples and use package A2AExecutor (#6165)
edcc786651ca3741ba005d7e5aef971ad24602cc .NET: Preserve and propagate CreatedAt through workflows (#3930)
07a1e834926b496b1d48eaed6e824740e1a9037a .NET: Forward Magentic participant replies to manager (#6156)
fa2a6af4434fdfc310168d1b1f65cef2561b8eae Bump Azure.AI.AgentServer.* packages and align Azure.Core/System.ClientModel (#6178)
11c8d89ab2853ce3c71f9f0b730ee73c8df4bf22 .NET: Fix InvokeMcpTool approval path for declarative workflows (#6177)
6510d6e3c89fc9dcf4c45596f24517b73196ff08 .NET: Quarantine flaky DevUI test (#6159)
dd9a4b6321f8922cb4505f84ed5c3e206dfbddb7 Python: [A2A] Set message_id on AgentResponseUpdate for message-bearing paths (#6163) [ #5949 ]
e8ff541ebf07339b12585a3d4984d78a13e7e1aa Python: consolidate MCP reliability fixes (#6145)
d2d5384f28b60a91771e7e70c7452da89d3c7e02 Python: Add Mistral AI embedding client package (#5480)
1fccf16f1103107186c12fb5f4ad58b8a6ba7f62 feat: Remove [Experimental] tag from .NET Orchestrations (#6164)
8ed2159c4b0b6663dc92b3469c24648a37e8e289 .NET: Workflow Outputs Overhaul: Support Tagging, Filtering Agent Outputs (#6045)
b000a2cf514a025b3cb7873c05c9a282a2c287c5 Python: Adding AgentFileStore and FileAccessProvider to support file access operations. (#6099)
0578f4c9107159346756d80d0650fa0a21c315a0 Backfill chat span request model if it's unknown and response model is avaliable (#6160)
e9a606344adbe5e41d9376b1f8508da593ea6c3b Python A2A: Expose supported_protocol_bindings as configurable parameter (#6098) [ #6057 ]
d2f79930d5554e39add177f46f8bc61092c0ad34 .NET: feat: Update GroupChatManager semantics to match other Orchestration patterns (#6140)

This list of changes was auto generated.

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About agent-framework

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

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Earlier breaking changes

vpython-1.7.0 Remove Python-only declarative actions and rename alias kinds to C# canonical names in agent-framework-declarative.
vpython-1.6.0 Enable instrumentation by default in agent-framework-core and agent-framework-foundry.
vpython-1.4.0 Migrate to a2a-sdk v1.0 in agent-framework-a2a
vpython-1.4.0 Tighten default access controls and CORS posture in agent-framework-devui
vpython-1.4.0 Extract skill spec metadata into SkillFrontmatter in agent-framework-core